(S)-2-{4-[4-(1-acetylamino-ethyl)-phenyl]-piperidin-1-yl}-pyrimidine-5-carboxylic acid

(S)-N-(1-{4-[1-(4-Hydroxy-3-methyl-phenyl)-piperidin-4-yl]-phenyl}-ethyl)-acetamide

(S)-N-{1-[4-(1-(2-Bromoacetyl)piperidin-4-yl)-phenyl]-ethyl}-acetamide

(S)-N-(1-{4-[1-(4-ethoxy-phenyl)-piperidin-4-yl]-phenyl}-ethyl)-acetamide

(S)-N-[1-(4-piperidin-4-yl-phenyl)-ethyl]-acetamide